# RC690 vs 正德報工系統

The clearest difference is update cadence: RC690 at every 4 days against 正德報工系統's every 8 months. RC690 also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RC690 ships an update every 4 days, 正德報工系統 every 8 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RC690 | 正德報工系統 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 months |
| Size | 35 MB | 19 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DOD Tech Co.,Ltd.](https://appshunter.io/developer/730394201) | [Yen Chao Huang](https://appshunter.io/developer/1193875340) |

## What reviewers say

### RC690

[App page](https://appshunter.io/ios/app/rc690/id1529575554)

**Features:** macOS Compatibility

**In-app purchases:** none


### 正德報工系統

[App page](https://appshunter.io/ios/app/id1660506103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RC690 free?

RC690 is free to download, with no in-app purchases.

### Is 正德報工系統 free?

正德報工系統 is free to download, with no in-app purchases.

### Do RC690 or 正德報工系統 have ads?

Neither RC690 nor 正德報工系統 shows ads.

### Which is updated more often, RC690 or 正德報工系統?

RC690 ships an update every 4 days, and 正德報工系統 every 8 months. Most recently, RC690 was updated on October 25, 2026 and 正德報工系統 on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*